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VMS 3010 > SSI One > Flashcards

SSI One Flashcards

1
Q

What is the function of scrubs?

A
  • Decrease debris and bacteria carried into the theatre by staff
  • Comfortable, lint-free, durable and easy to launder
  • 280 count better than 140 count
  • barrier properties are lost after75 laundry cycles
  • laundering doesnt sterilise
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2
Q

What is the function of a theatre hat?

A
  • Reduces contamination of surgical wounds with bacteria
  • Hair and beard should be fully covered
  • Durable, Comfortable and Lint Free
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3
Q

What is the function of theatre shoes?

A
  • Protects the operating room from external bacteria
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4
Q

What is the function of surgeon/ theatre masks?

A
  • Protects the surgical wound from saliva droplets and microorganisms
  • Redirects airflow out the sides of the mask
  • Filters large particles well
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5
Q

What do you do during aseptic hand prep?

A
  • Thorough scrub first
  • Remove dirt and oil from hands
  • Scrub should not be prolonged or cause trauma to the skin
  • Use antiseptics
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6
Q

What is an antiseptic?

A

Chemical used on a patient or surgeon to kill microbial organisms

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7
Q

What is the definition of asepsis?

A

The absence of microbial organism on living tissues

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8
Q

What is an immediate action antiseptic?

A

Amount of micro organisms killed or mechanically removed within 3 minutes

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9
Q

What is a persistent action antibiotic?

A

Ability to prevent re-colonisation of skin up to 6 hours after application

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10
Q

What is a residual action antibiotic

A

Cumulative antimicrobial effectiveness after used for at least 5 days

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11
Q

What is the negative of double gloving?

A

Lose sensitivity of fingers/tactility

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12
Q

What do you need to be careful of during aseptic procedure?

A

Important not to cause any trauma to the skin

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13
Q

What is the purpose of patient preparation?

A
  • Removes transient organisms
  • Reduces endogenous bacterial microflora
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14
Q

What is the correct way to clip a patient?

A
  • Wide clip with well prepared razor blades
  • immediately prior to surgery
  • Position for surgery
  • Final aseptic skin prep
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15
Q

What is the purpose of drapes?

A
  • Impermeable to fluid
  • resistant to tearing
  • secured to the patient
  • sterile working area
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16
Q

What is the indicator that you need to use antibiotics peri-operative prophylactic antibiotics?

A
  • Risk of infection
  • Development of SSI would be catastrophic
17
Q

What is the suggested use of peri-operative prophylactic antibiotics?

A
  • Clean-contaminated, contaminated and dirty procedures
  • Clean orthopaedic procedures
18
Q

What are peri-operative prophylactic antibiotics?

A
  • Intravenous
  • Broad spectrum of antibiotics
  • Use 30 minutes prior to incision
19
Q

What antiseptic should not be used in ears?

A

Chlorrhexadine

20
Q

Why should you handle tissue gently?

A
  • Uninjured tissue takes 106 bacteria per g for infection to be established
  • Injured/crushed tissue takes 103
21
Q

Why do you need to be meticulous with haemostasis?

A
  • Better perfusion = Better handling
  • Better visualisation for the surgeon
  • Clots in the surgical field are the perfect medium for bacterial growth
22
Q

What is the best way to preserve the blood supply?

A

Do not ligate any major vessels

23
Q

What is the function of perfusion?

A

Delivery of O2, Leukocytes and inflammatory proteins to healing tissues

24
Q

What is the function of eliminating dead space?

- by suturing

A
  • Reduces wound fluid accumulation
  • allows tissue sealing to occur earlier
  • lower risk of seroma/ abscessation less tension on the wound
25
Q

What is the function of accurate tissue apposition?

A
  • Aids and speeds healing
  • Particularly important where leak proofing is neccesary
  • Improved functional results
26
Q

Why do you need to minimise tension on tissues?

A

Tension on tissues causes capillaries to collapse

27
Q

How long does the fibrin seal last for?

A

6 hours
* waterproof but can be easily disrupted

28
Q

How can the fibrin seal be disrupted?

A
  • Tension
  • Movement
  • Licking
  • Handling of the patient
29
Q

What are two ways you can help reduce wound contamination?

A
  • apply the barrier in an aseptic manner, whilst in theatre
  • maintain the barrier carefully in hospital
30
Q

What is a nosocomical infection?

A

Infection acquired within a hospital setting

31
Q

How do you reduce Horizontal transmission

A
  • Keep wound covered
  • Hand hygeine before touching the patient
32
Q

How do you reduce vertical transmission?

A
  • Routine hospital cleaning
  • Protocols
33
Q

How would you treat SSI if theres no systemic signs?

A
  • Treat as a traumatic infected wound
  • swab for culture and sensitivity
  • Broad spectrum pending results
34
Q

How would you treat an SSI if it is septic?

A
  • Aggressive treatment
  • IVFT, antibiotics, analgesia
  • Surgery once stable for GA

VMS 3010 (102 decks)

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